<html>
<header>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
<script src="http://echarts.baidu.com/dist/echarts.js"></script>
</header>
<body>
<!-- 为 ECharts 准备一个具备大小（宽高）的Dom -->
<div id="main" style="width: 600px;height:400px;"></div>
<script>
var myChart = echarts.init(document.getElementById('main'));
// 指定图表的配置项和数据
option = {
    title : {
        text: '分时段访问量对比图',
        subtext: '饼状图测试',
        x:'center'
    },
    tooltip : {
        trigger: 'item',
        formatter: "{a} <br/>{b} : {c} ({d}%)"
    },
    legend: {
        orient: 'vertical',
        left: 'left',
        data: ['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
    },
    series : [
        {
            name: '访问来源',
            type: 'pie',
            radius : '55%',
            center: ['50%', '60%'],
            data:[
                {value:335, name:'直接访问'},
                {value:310, name:'邮件营销'},
                {value:234, name:'联盟广告'},
                {value:135, name:'视频广告'},
                {value:1548, name:'搜索引擎'}
            ],
            itemStyle: {
                emphasis: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
            }
        }
    ]
};
 // 使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
</script>
</body>
</html>